Even smaller in scale is husband-and-wife operation , also available at York’s Chocolate Story. In 2010, Peter and Fran Guppy converted their garage into a miniature chocolate factory and quit their jobs in the financial services industry. Their speciality is single origin bars, where all the cocoa beans come from a specific region such as Santander in Colombia or Sambirano in Madagascar. The principle is similar to that of terroir, where the soil and climate in a particular area impart distinctive qualities into wine. Guppy’s also makes hand-piped ganache truffles, with flavours including champagne and strawberry, cherry brandy and salted caramel.